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Inventor

Magnus Wretborn

Inventor
Stenungsund, SE

Overview

1→
Patents
1994
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge33%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
5,354,479'Method for purifying process water or wastewater containing wood resin'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to EKA NOBEL AB (1)· patent assignee history
1994Based in Stenungsund, SE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EKA NOBEL AB11994
Locations
LocationPatentsSpan
Stenungsund, SE11994